Perhaps you should try some spelling variations:
nhiet nang » nhiet dong, viet nang, nhieu tang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu van » hieu va, thien van, lieu va
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
tung va » trung va, tuong va, dung va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (((nhiet nang) or (hieu van)))) - thanh tung va nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (((nhiet nang) OR (hieu van)))) - thanh tung va nhung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (((nhiet nang) or (hieu van)))) - thanh tung va nhung cong tac toan ban*.